Properties of the Number -5146

One Hundred Forty-Six

Basics

Value: -5147 → -5146 → -5145

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 31 × 83

Divisors: 1, 2, 31, 62, 83, 166, 2573, 5146

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010000011010

Octal: -12032

Duodecimal: -2B8A

Hexadecimal: -141a

Square: 26481316

Square Root: 71.73562573784382

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers that are the sum of 12 positive 7th powers. A3379

13-gonal (or tridecagonal) numbers: a(n) = n*(11·n - 9)/2. A51865

Number of isomorphism classes of simple quadrangulations of the sphere having n+2 vertices and n faces, minimal degree 3, with orientation-reversing isomorphisms permitted. A78666

Number of pentagonal regions in regular n-gon with all diagonals drawn. A67152

Positions of 5's on the spiral defined in A308890. A308895

G.f. satisfies: A(x) = 1/(1 + x·A(x⁸)) and also the continued fraction: 1 + x·A(x⁹) = [1; 1/x, 1/x⁸, 1/x⁶⁴, 1/x⁵¹², ..., 1/x^{8^(n-1}), ...]. A101918

Number of compositions of n with no part circularly followed by a divisor or a multiple. A328599

E.g.f.: A(x) = (exp(x)/(4 - 3·exp(x)))^1/4. A136728

Number A(n,k) of partitions of [k·n] into n sets of size k having at least one set of consecutive numbers whose maximum (if k>0) is a multiple of k; square array A(n,k), n>=0, k>=0, read by antidiagonals. A370363

The second of the pair of consecutive integers k and k+1 such that sopfr(k) divides sopfr(k+1), where sopfr(k) is the sum of the prime factors of k, counting multiplicity. A129317